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Finding the Fourth Proportional to 575,140.40, 862,710.60 and 473,663.60

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Solution

The fourth proportional to 575,140.40, 862,710.60 and 473,663.60 is: 710,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,140.40 : 862,710.60 = 473,663.60 : x
  2. Step 2: Convert to fraction form
    575,140.40/862,710.60 = 473,663.60/x
  3. Step 3: Cross multiply
    575,140.40x = 862,710.60 × 473,663.60
  4. Step 4: Simplify right side
    575,140.40x = 408,634,608,554.16
  5. Step 5: Solve for x
    x = 408,634,608,554.16/575,140.40
  6. Step 6: Final answer
    x = 710,495.40

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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.