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Finding the Fourth Proportional to 675,173,404.48, 931,778,347.44 and 377,813,050.60

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Solution

The fourth proportional to 675,173,404.48, 931,778,347.44 and 377,813,050.60 is: 521,403,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,173,404.48 : 931,778,347.44 = 377,813,050.60 : x
  2. Step 2: Convert to fraction form
    675,173,404.48/931,778,347.44 = 377,813,050.60/x
  3. Step 3: Cross multiply
    675,173,404.48x = 931,778,347.44 × 377,813,050.60
  4. Step 4: Simplify right side
    675,173,404.48x = 352,038,019,929,333,120
  5. Step 5: Solve for x
    x = 352,038,019,929,333,120/675,173,404.48
  6. Step 6: Final answer
    x = 521,403,860.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.