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Finding the Fourth Proportional to 553,634,728.60, 830,452,092.90 and 294,716,673.40

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Solution

The fourth proportional to 553,634,728.60, 830,452,092.90 and 294,716,673.40 is: 442,075,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,634,728.60 : 830,452,092.90 = 294,716,673.40 : x
  2. Step 2: Convert to fraction form
    553,634,728.60/830,452,092.90 = 294,716,673.40/x
  3. Step 3: Cross multiply
    553,634,728.60x = 830,452,092.90 × 294,716,673.40
  4. Step 4: Simplify right side
    553,634,728.60x = 244,748,078,237,555,744
  5. Step 5: Solve for x
    x = 244,748,078,237,555,744/553,634,728.60
  6. Step 6: Final answer
    x = 442,075,010.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.